Question

what are the single sugars that are the building blocks of carbohydrates? polysaccharides disaccharides amino acid monosaccharides

Explanation:

Monosaccharides are the simplest form of carbohydrates and are the building - blocks. Polysaccharides are long - chains of monosaccharides, disaccharides are made up of two monosaccharides, and amino acids are the building blocks of proteins, not carbohydrates.

Answer:

monosaccharides